2009012 has 12 divisors (see below), whose sum is σ = 3527076. Its totient is φ = 1001280.

The previous prime is 2009011. The next prime is 2009039. The reversal of 2009012 is 2109002.

It can be written as a sum of positive squares in 2 ways, for example, as 355216 + 1653796 = 596^2 + 1286^2 .

It is a super-2 number, since 2×2009012² = 8072258432288, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088 + ... + 2280.

It is an arithmetic number, because the mean of its divisors is an integer number (293923).

2^2009012 is an apocalyptic number.

It is an amenable number.

2009012 is a deficient number, since it is larger than the sum of its proper divisors (1518064).

2009012 is a wasteful number, since it uses less digits than its factorization.

2009012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2009012 is about 1417.3962043127. The cubic root of 2009012 is about 126.1810616019.

It can be divided in two parts, 20090 and 12, that added together give a palindrome (20102).

The spelling of 2009012 in words is "two million, nine thousand, twelve".